Cooler



FIG. 1 is perspective view showing my design;

FIG. 2 is another perspective view showing my design;

FIG. 3 is a front view showing my design;

FIG. 4 is a back view showing my design;

FIG. 5 is a left side view showing my design;

FIG. 6 is a right side view showing my design;

FIG. 7 is a top plan view showing my design; and,

FIG. 8 is a bottom plan view showing my design. 

CLAIM The ornamental design for a cooler, as shown and described. 